Supun Setunga
Senior Compiler Engineer at Flow Blockchain
Vancouver, British Columbia, Canada
Summary
🤩
Rockstar🎓
Top SchoolSupun Setunga is a Senior Compiler Engineer with 11 years of experience building strongly-typed, resource-oriented languages and runtimes, most recently driving Cadence development for smart contracts at Flow Blockchain. He has deep compiler expertise across parsing, semantic analysis, type checking, metering, and interpreter/runtime implementation, gained from leading compiler work on Ballerina at WSO2 and Cadence at Dapper Labs. An applied machine learning and statistics enthusiast by training, he blends rigorous analytical thinking with pragmatic engineering to optimize compiler performance and language safety. Supun is an active open-source contributor, with notable commits to high-profile projects like Ballerina and Flow that include parser enhancements, metering improvements, and cross-repo dependency upgrades. Based in Vancouver, he brings a rare combination of language design, runtime engineering, and quantitative modeling to blockchain and systems programming challenges.
11 years of coding experience
9 years of employment as a software developer
Edexcel International London Examinations GCE Ordinary Level Science, Edexcel International London Examinations GCE Ordinary Level Science at British Council ColomboGCE Advanced Level Mathematics Stream, GCE Advanced Level Mathematics Stream at De Mazenod College, KandanaMaster of Science (MSc) in Computer Science, Master of Science (MSc) in Computer Science at University of ColomboDiploma Computer Systems and Networking, Diploma Computer Systems and Networking at Sri Lanka Institute of Information Technology
Stackoverflow
314reputation
2kreached
9answers
0questions
Github Skills (30)
programming-language10
parser10
testing10
cadence10
http10
type-system10
go10
language-design10
parsing10
parse10
blockchain10
ballerina10
devops10
expressions9
expression9
Programming languages (11)
Github contributions (5)
ballerina-platform/ballerina-lang
Nov 2016 - Dec 2020
The Ballerina Programming Language
Role in this project:
Back-end Developer
Back-end DeveloperContributions:389 reviews, 3045 commits, 1537 PRs in 4 years 1 month
Contributions summary:Supun's commits focus on implementing basic parsing for functional binding patterns within the Ballerina programming language. The changes involve modifications to the BallerinaParser.java file, specifically adding parsing support and recovery mechanisms for these patterns. In addition to that, the code changes involve adding tests related to the newly added feature to handle more specific scenarios.
compilerprogramming-languageinterpreterballerinaballerina-lang
onflow/cadence
Jan 2021 - Jan 2023
Cadence, the resource-oriented smart contract programming language 🏃♂️
Role in this project:Back-end Developer
Back-end DeveloperContributions:27 releases, 2462 reviews, 1285 commits in 2 years
Contributions summary:Supun's commits primarily focus on adding and modifying code related to metering, specifically for various expression types such as boolean, string, integer, array, and dictionary. They have introduced new memory usages and incorporated element size into array/dictionary expression metering. Additionally, they implemented the core logic of several static type-checking features, which indicates strong proficiency in the project's core language design.
cadencesmart-contractcontractblockchaincompiler
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